Granted Patent
Utility
US 4,384,441 · App. 06/168,680
Machine for wrapping elongated articles in plastic film
Inventors:
Toshi Maruyama, Masami Takine
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Jul 11, 1980
Inventors
Toshi Maruyama
Masami Takine
Assignee (at issue)
Tetra Pak International AB
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.